/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf -i ../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-22 01:31:31,214 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-22 01:31:31,217 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-22 01:31:31,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-22 01:31:31,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-22 01:31:31,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-22 01:31:31,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-22 01:31:31,272 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-22 01:31:31,274 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-22 01:31:31,277 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-22 01:31:31,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-22 01:31:31,278 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-22 01:31:31,278 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-22 01:31:31,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-22 01:31:31,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-22 01:31:31,284 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-22 01:31:31,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-22 01:31:31,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-22 01:31:31,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-22 01:31:31,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-22 01:31:31,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-22 01:31:31,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-22 01:31:31,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-22 01:31:31,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-22 01:31:31,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-22 01:31:31,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-22 01:31:31,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-22 01:31:31,323 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-22 01:31:31,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-SP.epf [2020-10-22 01:31:31,363 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-22 01:31:31,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-22 01:31:31,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-22 01:31:31,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-22 01:31:31,365 INFO L138 SettingsManager]: * Use SBE=true [2020-10-22 01:31:31,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-22 01:31:31,365 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-22 01:31:31,366 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-22 01:31:31,366 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-22 01:31:31,366 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-22 01:31:31,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-22 01:31:31,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-22 01:31:31,367 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-22 01:31:31,368 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-22 01:31:31,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-22 01:31:31,368 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-22 01:31:31,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-22 01:31:31,368 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-22 01:31:31,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-22 01:31:31,369 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-22 01:31:31,369 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-22 01:31:31,369 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:31:31,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-22 01:31:31,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-22 01:31:31,370 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-22 01:31:31,370 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-22 01:31:31,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-22 01:31:31,370 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-22 01:31:31,371 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-22 01:31:31,371 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-22 01:31:31,371 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-22 01:31:31,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-22 01:31:31,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-22 01:31:31,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-22 01:31:31,668 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-22 01:31:31,669 INFO L275 PluginConnector]: CDTParser initialized [2020-10-22 01:31:31,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-10-22 01:31:31,731 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9c6bd0d/0c5ffe52134e447dbc8571d61543b908/FLAGed3dae1e9 [2020-10-22 01:31:32,243 INFO L306 CDTParser]: Found 1 translation units. [2020-10-22 01:31:32,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/47_ticket_lock_hc_backoff_vs.i [2020-10-22 01:31:32,263 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9c6bd0d/0c5ffe52134e447dbc8571d61543b908/FLAGed3dae1e9 [2020-10-22 01:31:32,582 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f9c6bd0d/0c5ffe52134e447dbc8571d61543b908 [2020-10-22 01:31:32,591 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-22 01:31:32,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-22 01:31:32,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-22 01:31:32,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-22 01:31:32,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-22 01:31:32,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:31:32" (1/1) ... [2020-10-22 01:31:32,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6f1a8b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:32, skipping insertion in model container [2020-10-22 01:31:32,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 01:31:32" (1/1) ... [2020-10-22 01:31:32,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-22 01:31:32,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-22 01:31:33,229 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:31:33,240 INFO L203 MainTranslator]: Completed pre-run [2020-10-22 01:31:33,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-22 01:31:33,368 INFO L208 MainTranslator]: Completed translation [2020-10-22 01:31:33,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33 WrapperNode [2020-10-22 01:31:33,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-22 01:31:33,370 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-22 01:31:33,370 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-22 01:31:33,370 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-22 01:31:33,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,423 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-22 01:31:33,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-22 01:31:33,423 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-22 01:31:33,423 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-22 01:31:33,433 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,437 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,451 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... [2020-10-22 01:31:33,462 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-22 01:31:33,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-22 01:31:33,463 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-22 01:31:33,463 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-22 01:31:33,464 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-22 01:31:33,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-22 01:31:33,543 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-22 01:31:33,543 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-22 01:31:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-22 01:31:33,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-22 01:31:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-22 01:31:33,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-22 01:31:33,546 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-22 01:31:33,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-22 01:31:33,550 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-22 01:31:34,171 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-22 01:31:34,172 INFO L298 CfgBuilder]: Removed 15 assume(true) statements. [2020-10-22 01:31:34,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:31:34 BoogieIcfgContainer [2020-10-22 01:31:34,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-22 01:31:34,176 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-22 01:31:34,176 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-22 01:31:34,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-22 01:31:34,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 01:31:32" (1/3) ... [2020-10-22 01:31:34,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6f617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:31:34, skipping insertion in model container [2020-10-22 01:31:34,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 01:31:33" (2/3) ... [2020-10-22 01:31:34,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d6f617f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 01:31:34, skipping insertion in model container [2020-10-22 01:31:34,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 01:31:34" (3/3) ... [2020-10-22 01:31:34,182 INFO L111 eAbstractionObserver]: Analyzing ICFG 47_ticket_lock_hc_backoff_vs.i [2020-10-22 01:31:34,195 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-22 01:31:34,195 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-22 01:31:34,204 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-22 01:31:34,205 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-22 01:31:34,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,248 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,249 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,249 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,250 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,250 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,251 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,252 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,253 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,254 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,255 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,256 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,261 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,262 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,262 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,263 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,264 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,265 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,265 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,266 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,266 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,267 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:34,270 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:31:34,284 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-22 01:31:34,306 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:31:34,306 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:31:34,307 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:31:34,307 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:31:34,307 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:31:34,307 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:31:34,307 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:31:34,307 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:31:34,322 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:31:34,323 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 96 transitions, 197 flow [2020-10-22 01:31:34,326 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 96 transitions, 197 flow [2020-10-22 01:31:34,328 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 84 places, 96 transitions, 197 flow [2020-10-22 01:31:34,391 INFO L129 PetriNetUnfolder]: 23/144 cut-off events. [2020-10-22 01:31:34,392 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-22 01:31:34,399 INFO L80 FinitePrefix]: Finished finitePrefix Result has 149 conditions, 144 events. 23/144 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 462 event pairs, 0 based on Foata normal form. 0/116 useless extension candidates. Maximal degree in co-relation 81. Up to 6 conditions per place. [2020-10-22 01:31:34,405 INFO L116 LiptonReduction]: Number of co-enabled transitions 3200 [2020-10-22 01:31:35,286 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 50 [2020-10-22 01:31:35,593 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 61 [2020-10-22 01:31:35,679 INFO L131 LiptonReduction]: Checked pairs total: 7212 [2020-10-22 01:31:35,679 INFO L133 LiptonReduction]: Total number of compositions: 74 [2020-10-22 01:31:35,691 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 42 transitions, 89 flow [2020-10-22 01:31:35,721 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 271 states. [2020-10-22 01:31:35,724 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states. [2020-10-22 01:31:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:31:35,729 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:35,730 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 01:31:35,730 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:35,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:35,735 INFO L82 PathProgramCache]: Analyzing trace with hash 868851756, now seen corresponding path program 1 times [2020-10-22 01:31:35,752 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:35,753 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789689350] [2020-10-22 01:31:35,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:35,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:31:35,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:31:35,947 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789689350] [2020-10-22 01:31:35,949 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:31:35,949 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:31:35,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [690026106] [2020-10-22 01:31:35,951 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:31:35,954 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:31:35,967 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 01:31:35,968 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:31:35,973 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:31:35,974 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 01:31:35,975 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:31:35,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 01:31:35,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:31:35,999 INFO L87 Difference]: Start difference. First operand 271 states. Second operand 2 states. [2020-10-22 01:31:36,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:31:36,019 INFO L93 Difference]: Finished difference Result 239 states and 495 transitions. [2020-10-22 01:31:36,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 01:31:36,021 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-22 01:31:36,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:31:36,037 INFO L225 Difference]: With dead ends: 239 [2020-10-22 01:31:36,037 INFO L226 Difference]: Without dead ends: 236 [2020-10-22 01:31:36,039 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:31:36,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-22 01:31:36,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 236. [2020-10-22 01:31:36,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 236 states. [2020-10-22 01:31:36,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 490 transitions. [2020-10-22 01:31:36,111 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 490 transitions. Word has length 6 [2020-10-22 01:31:36,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:31:36,112 INFO L481 AbstractCegarLoop]: Abstraction has 236 states and 490 transitions. [2020-10-22 01:31:36,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 01:31:36,112 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 490 transitions. [2020-10-22 01:31:36,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:31:36,113 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:36,113 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2020-10-22 01:31:36,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-22 01:31:36,114 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:36,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:36,114 INFO L82 PathProgramCache]: Analyzing trace with hash 847811815, now seen corresponding path program 1 times [2020-10-22 01:31:36,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:36,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4281265] [2020-10-22 01:31:36,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:31:36,148 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:31:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:31:36,166 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:31:36,199 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:31:36,200 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:31:36,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-22 01:31:36,210 WARN L371 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 01:31:36,211 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2020-10-22 01:31:36,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,230 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,230 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,231 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,232 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,232 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,233 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,233 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,234 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,235 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,236 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,237 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,237 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,238 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,239 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,239 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,240 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,240 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,241 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,242 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,243 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,244 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,244 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,245 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,245 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,246 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,246 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,247 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,247 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,257 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,258 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,258 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,259 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,259 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,260 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of2ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,261 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of2ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:36,265 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:31:36,266 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-22 01:31:36,266 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:31:36,266 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:31:36,266 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:31:36,266 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:31:36,267 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:31:36,267 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:31:36,267 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:31:36,267 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:31:36,276 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:31:36,276 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 112 places, 129 transitions, 270 flow [2020-10-22 01:31:36,277 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 112 places, 129 transitions, 270 flow [2020-10-22 01:31:36,277 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 112 places, 129 transitions, 270 flow [2020-10-22 01:31:36,359 INFO L129 PetriNetUnfolder]: 38/226 cut-off events. [2020-10-22 01:31:36,359 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-22 01:31:36,363 INFO L80 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 226 events. 38/226 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 885 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 145. Up to 9 conditions per place. [2020-10-22 01:31:36,374 INFO L116 LiptonReduction]: Number of co-enabled transitions 8512 [2020-10-22 01:31:37,344 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2020-10-22 01:31:37,577 INFO L131 LiptonReduction]: Checked pairs total: 18356 [2020-10-22 01:31:37,577 INFO L133 LiptonReduction]: Total number of compositions: 102 [2020-10-22 01:31:37,577 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 57 transitions, 126 flow [2020-10-22 01:31:37,771 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 3318 states. [2020-10-22 01:31:37,773 INFO L276 IsEmpty]: Start isEmpty. Operand 3318 states. [2020-10-22 01:31:37,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:31:37,777 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:37,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 01:31:37,777 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:37,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:37,778 INFO L82 PathProgramCache]: Analyzing trace with hash 87460459, now seen corresponding path program 1 times [2020-10-22 01:31:37,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:37,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337966865] [2020-10-22 01:31:37,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:31:37,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:31:37,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337966865] [2020-10-22 01:31:37,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:31:37,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:31:37,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1938827765] [2020-10-22 01:31:37,863 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:31:37,864 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:31:37,865 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 01:31:37,865 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:31:37,865 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:31:37,865 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 01:31:37,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:31:37,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 01:31:37,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:31:37,866 INFO L87 Difference]: Start difference. First operand 3318 states. Second operand 2 states. [2020-10-22 01:31:37,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:31:37,902 INFO L93 Difference]: Finished difference Result 2691 states and 8460 transitions. [2020-10-22 01:31:37,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 01:31:37,902 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-22 01:31:37,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:31:37,925 INFO L225 Difference]: With dead ends: 2691 [2020-10-22 01:31:37,926 INFO L226 Difference]: Without dead ends: 2690 [2020-10-22 01:31:37,926 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:31:37,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2690 states. [2020-10-22 01:31:38,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2690 to 2690. [2020-10-22 01:31:38,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2690 states. [2020-10-22 01:31:38,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2690 states to 2690 states and 8459 transitions. [2020-10-22 01:31:38,038 INFO L78 Accepts]: Start accepts. Automaton has 2690 states and 8459 transitions. Word has length 6 [2020-10-22 01:31:38,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:31:38,038 INFO L481 AbstractCegarLoop]: Abstraction has 2690 states and 8459 transitions. [2020-10-22 01:31:38,038 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 01:31:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 2690 states and 8459 transitions. [2020-10-22 01:31:38,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 01:31:38,039 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:38,040 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:31:38,040 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-22 01:31:38,040 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:38,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:38,040 INFO L82 PathProgramCache]: Analyzing trace with hash -1851425208, now seen corresponding path program 1 times [2020-10-22 01:31:38,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:38,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [391700726] [2020-10-22 01:31:38,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:31:38,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:31:38,102 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [391700726] [2020-10-22 01:31:38,102 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:31:38,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:31:38,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [710664534] [2020-10-22 01:31:38,103 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:31:38,104 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:31:38,105 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 01:31:38,105 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:31:38,106 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:31:38,106 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:31:38,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:31:38,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:31:38,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:31:38,107 INFO L87 Difference]: Start difference. First operand 2690 states and 8459 transitions. Second operand 3 states. [2020-10-22 01:31:38,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:31:38,220 INFO L93 Difference]: Finished difference Result 3514 states and 10807 transitions. [2020-10-22 01:31:38,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:31:38,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 01:31:38,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:31:38,247 INFO L225 Difference]: With dead ends: 3514 [2020-10-22 01:31:38,247 INFO L226 Difference]: Without dead ends: 3484 [2020-10-22 01:31:38,248 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:31:38,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3484 states. [2020-10-22 01:31:38,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3484 to 3076. [2020-10-22 01:31:38,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3076 states. [2020-10-22 01:31:38,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3076 states to 3076 states and 9546 transitions. [2020-10-22 01:31:38,381 INFO L78 Accepts]: Start accepts. Automaton has 3076 states and 9546 transitions. Word has length 8 [2020-10-22 01:31:38,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:31:38,382 INFO L481 AbstractCegarLoop]: Abstraction has 3076 states and 9546 transitions. [2020-10-22 01:31:38,382 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:31:38,382 INFO L276 IsEmpty]: Start isEmpty. Operand 3076 states and 9546 transitions. [2020-10-22 01:31:38,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-22 01:31:38,383 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:38,383 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1] [2020-10-22 01:31:38,384 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-22 01:31:38,384 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:38,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:38,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1552271061, now seen corresponding path program 1 times [2020-10-22 01:31:38,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:38,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686654838] [2020-10-22 01:31:38,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:31:38,408 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:31:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:31:38,420 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:31:38,427 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:31:38,427 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:31:38,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-22 01:31:38,428 WARN L371 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 01:31:38,430 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2020-10-22 01:31:38,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,440 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,441 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,441 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,442 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,442 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,443 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,443 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,444 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,445 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,446 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,447 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,447 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,448 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,449 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,449 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,450 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,451 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,452 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,453 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,453 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,454 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,454 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,455 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,455 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,456 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,457 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,458 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,459 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,460 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,460 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,461 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,461 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,462 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,462 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,463 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,464 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,464 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,465 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,465 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,466 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,466 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,468 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,468 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,469 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,469 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,470 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,470 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of3ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,471 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of3ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:38,472 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:31:38,472 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2020-10-22 01:31:38,472 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:31:38,472 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:31:38,473 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:31:38,473 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:31:38,473 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:31:38,473 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:31:38,473 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:31:38,473 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:31:38,476 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:31:38,476 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 140 places, 162 transitions, 345 flow [2020-10-22 01:31:38,476 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 140 places, 162 transitions, 345 flow [2020-10-22 01:31:38,476 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 140 places, 162 transitions, 345 flow [2020-10-22 01:31:38,526 INFO L129 PetriNetUnfolder]: 53/308 cut-off events. [2020-10-22 01:31:38,526 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2020-10-22 01:31:38,532 INFO L80 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 308 events. 53/308 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1292 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 230. Up to 12 conditions per place. [2020-10-22 01:31:38,553 INFO L116 LiptonReduction]: Number of co-enabled transitions 15936 [2020-10-22 01:31:39,516 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 57 [2020-10-22 01:31:39,727 INFO L131 LiptonReduction]: Checked pairs total: 38679 [2020-10-22 01:31:39,727 INFO L133 LiptonReduction]: Total number of compositions: 122 [2020-10-22 01:31:39,728 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 66 places, 77 transitions, 175 flow [2020-10-22 01:31:45,913 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 50024 states. [2020-10-22 01:31:45,913 INFO L276 IsEmpty]: Start isEmpty. Operand 50024 states. [2020-10-22 01:31:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-22 01:31:45,914 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:45,914 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-22 01:31:45,914 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:45,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:45,915 INFO L82 PathProgramCache]: Analyzing trace with hash 876741180, now seen corresponding path program 1 times [2020-10-22 01:31:45,916 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:45,916 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686234154] [2020-10-22 01:31:45,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:31:45,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:31:45,945 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686234154] [2020-10-22 01:31:45,945 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:31:45,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:31:45,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [738182584] [2020-10-22 01:31:45,946 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:31:45,948 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:31:45,949 INFO L252 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-22 01:31:45,949 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:31:45,950 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:31:45,950 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-22 01:31:45,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:31:45,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-22 01:31:45,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:31:45,951 INFO L87 Difference]: Start difference. First operand 50024 states. Second operand 2 states. [2020-10-22 01:31:47,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:31:47,622 INFO L93 Difference]: Finished difference Result 37897 states and 159698 transitions. [2020-10-22 01:31:47,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-22 01:31:47,623 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 6 [2020-10-22 01:31:47,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:31:47,916 INFO L225 Difference]: With dead ends: 37897 [2020-10-22 01:31:47,916 INFO L226 Difference]: Without dead ends: 37893 [2020-10-22 01:31:47,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-22 01:31:48,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37893 states. [2020-10-22 01:31:49,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37893 to 37893. [2020-10-22 01:31:49,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37893 states. [2020-10-22 01:31:49,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37893 states to 37893 states and 159688 transitions. [2020-10-22 01:31:49,890 INFO L78 Accepts]: Start accepts. Automaton has 37893 states and 159688 transitions. Word has length 6 [2020-10-22 01:31:49,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:31:49,891 INFO L481 AbstractCegarLoop]: Abstraction has 37893 states and 159688 transitions. [2020-10-22 01:31:49,891 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-22 01:31:49,891 INFO L276 IsEmpty]: Start isEmpty. Operand 37893 states and 159688 transitions. [2020-10-22 01:31:49,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-22 01:31:49,892 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:49,892 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-22 01:31:49,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-22 01:31:49,892 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:49,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:49,893 INFO L82 PathProgramCache]: Analyzing trace with hash 734133387, now seen corresponding path program 1 times [2020-10-22 01:31:49,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:49,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140157097] [2020-10-22 01:31:49,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-22 01:31:49,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-22 01:31:49,927 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140157097] [2020-10-22 01:31:49,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-22 01:31:49,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-22 01:31:49,927 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [426710794] [2020-10-22 01:31:49,927 INFO L194 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-22 01:31:49,928 INFO L249 McrAutomatonBuilder]: Started intersection. [2020-10-22 01:31:49,929 INFO L252 McrAutomatonBuilder]: Finished intersection with 9 states and 8 transitions. [2020-10-22 01:31:49,929 INFO L276 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-22 01:31:49,930 INFO L301 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-22 01:31:49,930 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-22 01:31:49,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-22 01:31:49,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-22 01:31:49,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:31:49,931 INFO L87 Difference]: Start difference. First operand 37893 states and 159688 transitions. Second operand 3 states. [2020-10-22 01:31:51,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-22 01:31:51,916 INFO L93 Difference]: Finished difference Result 54227 states and 220164 transitions. [2020-10-22 01:31:51,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-22 01:31:51,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-22 01:31:51,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-22 01:31:52,135 INFO L225 Difference]: With dead ends: 54227 [2020-10-22 01:31:52,135 INFO L226 Difference]: Without dead ends: 54127 [2020-10-22 01:31:52,135 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-22 01:31:52,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54127 states. [2020-10-22 01:31:54,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54127 to 46719. [2020-10-22 01:31:54,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46719 states. [2020-10-22 01:31:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46719 states to 46719 states and 192063 transitions. [2020-10-22 01:31:54,479 INFO L78 Accepts]: Start accepts. Automaton has 46719 states and 192063 transitions. Word has length 8 [2020-10-22 01:31:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-22 01:31:54,479 INFO L481 AbstractCegarLoop]: Abstraction has 46719 states and 192063 transitions. [2020-10-22 01:31:54,479 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-22 01:31:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 46719 states and 192063 transitions. [2020-10-22 01:31:54,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-22 01:31:54,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-22 01:31:54,481 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1, 1, 1] [2020-10-22 01:31:54,481 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-22 01:31:54,481 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-22 01:31:54,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-22 01:31:54,482 INFO L82 PathProgramCache]: Analyzing trace with hash -1876171820, now seen corresponding path program 1 times [2020-10-22 01:31:54,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-22 01:31:54,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763573595] [2020-10-22 01:31:54,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-22 01:31:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:31:54,499 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:31:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-22 01:31:54,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-22 01:31:54,517 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-22 01:31:54,518 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-22 01:31:54,518 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-22 01:31:54,519 WARN L371 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2020-10-22 01:31:54,519 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2020-10-22 01:31:54,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,531 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,531 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,532 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,532 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,533 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,533 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,534 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,535 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,536 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,536 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,537 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,538 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,538 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,539 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,539 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,539 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,539 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,539 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,539 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,540 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,540 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,540 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,540 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,540 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,540 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,540 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,541 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,541 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,541 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,541 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,541 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,541 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,541 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,542 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,543 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,543 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,543 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,544 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,545 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,546 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,546 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,546 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,547 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,548 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,548 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,549 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,550 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,551 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,551 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,552 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,552 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,553 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,553 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,562 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,563 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,563 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,564 WARN L313 ript$VariableManager]: TermVariabe thr1Thread2of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,564 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,565 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread2of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,568 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,569 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,570 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,570 WARN L313 ript$VariableManager]: TermVariabe thr1Thread3of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,574 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,575 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_#in~l.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,575 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0___VERIFIER_atomic_fetch_and_inc_~l.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,576 WARN L313 ript$VariableManager]: TermVariabe thr1Thread4of4ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,576 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_~#l~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,577 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread4of4ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-22 01:31:54,578 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-22 01:31:54,578 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-10-22 01:31:54,578 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-22 01:31:54,579 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-22 01:31:54,579 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-22 01:31:54,579 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-22 01:31:54,579 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-22 01:31:54,579 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-22 01:31:54,579 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-22 01:31:54,579 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-22 01:31:54,581 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-22 01:31:54,581 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 168 places, 195 transitions, 422 flow [2020-10-22 01:31:54,582 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 168 places, 195 transitions, 422 flow [2020-10-22 01:31:54,582 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 168 places, 195 transitions, 422 flow [2020-10-22 01:31:54,633 INFO L129 PetriNetUnfolder]: 68/390 cut-off events. [2020-10-22 01:31:54,633 INFO L130 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2020-10-22 01:31:54,639 INFO L80 FinitePrefix]: Finished finitePrefix Result has 413 conditions, 390 events. 68/390 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 1717 event pairs, 0 based on Foata normal form. 0/308 useless extension candidates. Maximal degree in co-relation 316. Up to 15 conditions per place. [2020-10-22 01:31:54,664 INFO L116 LiptonReduction]: Number of co-enabled transitions 25472 [2020-10-22 01:31:55,701 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2020-10-22 01:31:55,818 INFO L131 LiptonReduction]: Checked pairs total: 54137 [2020-10-22 01:31:55,818 INFO L133 LiptonReduction]: Total number of compositions: 149 [2020-10-22 01:31:55,818 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 80 places, 94 transitions, 220 flow Received shutdown request... [2020-10-22 01:35:48,053 WARN L546 AbstractCegarLoop]: Verification canceled [2020-10-22 01:35:48,058 WARN L235 ceAbstractionStarter]: Timeout [2020-10-22 01:35:48,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 01:35:48 BasicIcfg [2020-10-22 01:35:48,058 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-22 01:35:48,060 INFO L168 Benchmark]: Toolchain (without parser) took 255467.94 ms. Allocated memory was 139.5 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 100.7 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2020-10-22 01:35:48,061 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-22 01:35:48,062 INFO L168 Benchmark]: CACSL2BoogieTranslator took 770.19 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 161.0 MB in the end (delta: -61.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2020-10-22 01:35:48,063 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.75 ms. Allocated memory is still 202.9 MB. Free memory was 161.0 MB in the beginning and 158.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-10-22 01:35:48,064 INFO L168 Benchmark]: Boogie Preprocessor took 39.00 ms. Allocated memory is still 202.9 MB. Free memory was 158.3 MB in the beginning and 157.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2020-10-22 01:35:48,065 INFO L168 Benchmark]: RCFGBuilder took 712.18 ms. Allocated memory is still 202.9 MB. Free memory was 157.0 MB in the beginning and 115.4 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. [2020-10-22 01:35:48,066 INFO L168 Benchmark]: TraceAbstraction took 253882.61 ms. Allocated memory was 202.9 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 114.7 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2020-10-22 01:35:48,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 770.19 ms. Allocated memory was 139.5 MB in the beginning and 202.9 MB in the end (delta: 63.4 MB). Free memory was 99.9 MB in the beginning and 161.0 MB in the end (delta: -61.1 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 52.75 ms. Allocated memory is still 202.9 MB. Free memory was 161.0 MB in the beginning and 158.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.00 ms. Allocated memory is still 202.9 MB. Free memory was 158.3 MB in the beginning and 157.0 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 712.18 ms. Allocated memory is still 202.9 MB. Free memory was 157.0 MB in the beginning and 115.4 MB in the end (delta: 41.6 MB). Peak memory consumption was 41.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 253882.61 ms. Allocated memory was 202.9 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 114.7 MB in the beginning and 1.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1730 VarBasedMoverChecksPositive, 38 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 195 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 84 PlacesBefore, 35 PlacesAfterwards, 96 TransitionsBefore, 42 TransitionsAfterwards, 3200 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 18 ConcurrentYvCompositions, 5 ChoiceCompositions, 74 TotalNumberOfCompositions, 7212 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 4472 VarBasedMoverChecksPositive, 60 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 357 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.3s, 112 PlacesBefore, 49 PlacesAfterwards, 129 TransitionsBefore, 57 TransitionsAfterwards, 8512 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 51 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 30 ConcurrentYvCompositions, 9 ChoiceCompositions, 102 TotalNumberOfCompositions, 18356 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 7711 VarBasedMoverChecksPositive, 81 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 463 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 140 PlacesBefore, 66 PlacesAfterwards, 162 TransitionsBefore, 77 TransitionsAfterwards, 15936 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 66 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 33 ConcurrentYvCompositions, 11 ChoiceCompositions, 122 TotalNumberOfCompositions, 38679 MoverChecksTotal - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 12843 VarBasedMoverChecksPositive, 110 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 1076 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 168 PlacesBefore, 80 PlacesAfterwards, 195 TransitionsBefore, 94 TransitionsAfterwards, 25472 CoEnabledTransitionPairs, 4 FixpointIterations, 12 TrivialSequentialCompositions, 85 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 39 ConcurrentYvCompositions, 13 ChoiceCompositions, 149 TotalNumberOfCompositions, 54137 MoverChecksTotal - TimeoutResultAtElement [Line: 17]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 17). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 80 places, 94 transitions, 220 flow. Already constructed 369787 states. Currently 49606 states in worklist.. - TimeoutResultAtElement [Line: 17]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 17). Cancelled while BasicCegarLoop was constructing initial abstraction,while PetriNet2FiniteAutomaton was constructing automaton for Petri net that has has 80 places, 94 transitions, 220 flow. Already constructed 369787 states. Currently 49606 states in worklist.. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 2 error locations. Started 4 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 253.5s, OverallIterations: 8, TraceHistogramMax: 4, AutomataDifference: 4.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 243.8s, HoareTripleCheckerStatistics: 326 SDtfs, 79 SDslu, 74 SDs, 0 SdLazy, 36 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=50024occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 7816 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown